10 20 30 40 50 UGUGUGUGUAUGUCUAUGA--| AG CGG U UGUGUGUC CCAG CUG UGCAUUGUAG UGCAUUGCA \ GGUC GAC ACGUGACGUC AUGUAACGU U CACACGAAGCAACAAUCACCG^ GA ACA C GAGGCGAC . 110 100 90 80 70